zerofree -- A utility to force un-used ext2 inodes to hex zero<hr>
<a href="http://intgat.tigress.co.uk/rmy/uml/">http://intgat.tigress.co.uk/rmy/uml/</a><hr>
zerofree is a tuility to set filesystem blocks that are listed in the
'free inode' table of an ext2 filesystem, to a well compressible hex
x00 This tool inspired bu the ext2fs privacy (i.e. secure deletion)
patch described in a Linux kernel mailing list thread

WARNING: The filesystem to be processed should be unmounted or mounted
read-only.  You have been warned
</listing>